6io 



NEW YORK STATE MUSEUM 



Raphistoma, 400, 401. 



Raymond, Percy E., on trilobites, 394; 



cited, 409, 485, 520, 528. 

 Remele, A., cited, 475, 478, 527. 

 Retepora gracilis, 401. 

 Rhynchonella, 401. 



acutirostris, 497. 



plena, 400, 401. 

 Rhynchorthoceras, 522. 



dubinm, 522. 

 Rizoceratidae, 432. 

 Rochdale, fauna, 508. 

 Rominger, Carl, collections bv, 394, 



438. 



Rnedemann, Rudolf, collections by, 

 394, 397; cited, 399, 428, 429, 439, 

 528. 



Rysedorph hill, fauna, 449. 



Sactoceras, 486. 



St Peter sandstone, 515. 



Sannionites, 404. 



Sardeson, F. W., acknowledgmenis 

 to, 394 ; collections by, 459 ; cited, 

 515. 517. 528. 

 Scalites angulatns, 400. 497. 

 Schroder, 11.. cited, 396, 451, 452, 456, 



457. 459- 475. 479. 521. 528. 

 Schroederoceras, 452, 475, 482, 510, 

 513, 521, 523, 524. 

 cassinense, 453. 476-77, 5 10, 512. 

 explanation of plate, 568. 

 figure, 477. 

 eatoni, 453, 476, 477, 510, 512. 

 explanation of plates, 568, 574. 

 Schuchert, Charles, cited, 514, 520, 

 528. 



Scolithus minutus, 399. 



Sections for reference, 397. 



Seely, II. M.. acknowledgments to, 



394; work of, 394; collections by. 



396, 435, 496. 505; cited, 399, 400, 



527. 528. 

 Sepioidea, 493. 



Shakopee formation, 459. 515, 517, 

 5T9. 527. 



Spelman ledge, fauna, 419, 430. 441, 



443. 445- 

 Spyroceras, 439, 445-49, 510. 



bilineatum, 445, 449. 



clintoni, 445~49, 5 10, 512, 518, 519. 

 explanation of plates, 556, 560. 

 figure. 447. 

 rectiannulatum, see Cycloceras? 



(Spyroceras?) rectiannulatum. 

 subarcuatum, 506. 

 Stenopora fibrosa, 401. 

 Stones River group, 516, 520. 

 Strephochetus, 401. 

 Stromatocerium, 401. 

 Strophomena, 400. 

 Suecoceras, 425-27, 509, 513, 516. 

 marcoui, 4 2 5 _2 7, 508, 509, 512. 

 figure, 426. 

 Synoptic table of distribution of 



Cephalopoda, 512-13. 

 Synoptic taxonomy, 509-11. 



Tarphyceras, 452, 456, 464, 510, 513, 



521, 523, 524, 526. 

 champlainense, 452, 453, 459, 460, 



461, 465, 466, 468-69, 470, 483.. 

 510, 512. 



clarkei sp. nov., 453, 470-72, 510, 



512. 



explanation of plate, 572. 



figure, 471. 

 convolvens, 464. 

 extensum, 472. 



farnsworthi, 464, 465, 508, 510, 512. 

 multicameratum, sp. nov., 454, 464, 

 472-73, 510, 512. 

 explanation of plates, 566, 574. 

 figure, 473. 

 perkinsi, 453, 4 6 9 7°, 483. 510, 512. 

 seelyi. 453, 465 68, 469, 472, 510, 

 512. 



explanation of plates, 566, 568, 



570. 576. 

 figures, 466, 467. 

 Tarphyceratidae, 432, 450, 452, 454- 



75. 483. 5o8. 510. 521. 

 Taxonomy, synoptic, 509-11. 

 Terminology, 402-4. 

 Triptoceras, 492. 



Trocholites, 452, 478-79, 5io, 513, 521, 



522, 523, 524. 

 ammonius, 521. 

 internastriatus, 479. 



